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On Friday, the museum will unveil a large-scale maze, in which visitors can navigate a series of twists and turns to find a big reveal at the center. The maze stands 18 feet high and measures 60 feet by 60 feet around.

The maze is designed to surprise visitors more accustomed to corn and hedge mazes, said Cathy Frankel, project director for the maze.

Organizers say this is the first large-scale building installation inside the National Building Museum since 1988. It's part of the museum's "Summer Block Party" series, which features Hill Country's Backyard BBQ, concerts on Sundays and other exhibits which are all about summertime fun.

Frankel said that the BIG group is known for "their playful nature," which made them a good fit for the series.

Two recent architecture graduates from the University of Cincinnati, Mary Wischmeyer and David Burgei, were among the first visitors able to take a sneak peek at the exhibit Thursday.

Wischmeyer said that she liked the "clean and pristine" materials and lines of the scooped structure.

BIG-Bjarke Ingels Group has "such a magnificence in how they put the materials together," she said.